* {
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  font-size: 12px;
  line-height: 1.8;
  color: #333;
  margin: 0 10%;
  padding: 20px 0;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
}

a:link,
a:visited,
a:active,
a:hover {
  color: #0000ee; /* 统一所有状态颜色 */
}

.form-group {
  margin-bottom: 20px;
}
label {
  display: block;
  font-weight: bold;
}
input[type="text"],
input[type="email"],
textarea {
  width: 50%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
}
textarea {
  height: 100px;
}
.radio-group {
  margin: 10px 0;
}
.radio-option {
  margin-bottom: 5px;
  display: flex;
  gap: 8px;
}
.required:after {
  content: " *";
  color: red;
}
button {
  background-color: #1e88e5;
  color: white;
  padding: 6px 10px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}
button:hover {
  background-color: #1e88e5;
}
.signature-upload {
  margin: 20px 0;
}
.captcha {
  margin: 20px 0;
}

@media screen and (max-width: 750px) {
  input[type="text"],
  input[type="email"],
  textarea {
    width: 100%;
  }
}

.upload-container {
  max-width: 500px;
  margin-bottom: 20px;
}

.upload-label {
  display: block;
  margin-bottom: 10px;
  font-weight: bold;
}

.file-input-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
}

.custom-button {
  padding: 0 10px;
  border: 1px solid #1e88e5;
  color: #1e88e5;
  border-radius: 4px;
  cursor: pointer;
  display: inline-block;
  font-size: 14px;
}

.custom-button:hover {
  background: #1e88e5;
}

#fileInput {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

#fileName {
  margin-left: 10px;
  color: #666;
}